Emission Components for 2004 Cadillac DeVille
No.
Part # / Description / Price
Price
3
Vapor Canister Vent Solenoid 
GM
GM Description: ACDelco Vapor Canister Vent Solenoid (Part Number: 21994122) is a vent control solenoid that regulates fresh air flow to the evaporative emissions canister. Function: Controls venting of the evaporative emissions canister, sends fuel vapors to the engine f ...
MSRP $66.65
$38.94
MSRP $66.65
$38.94
4
Vent Valve Bracket GM
GM Description: With supercharger 1998-2005. California emissions. 2000-03. Federal emissions. 2004-05.
7
Multi-Purpose Clamp GM
GM Description: GM Genuine Parts Multi-Purpose Clamp (Part Number: 11570383) is a hose clamp (CLAMP-HOSE) used to retain coolant or radiator hoses and help prevent leaks in the vehicle cooling system. Type: Hose clampFunction: Secures hoses to fittings to help prevent flu ...
$148.83
$148.83
8
Valve GM
GM Description: ACDelco Vapor Canister Purge Valve (Part Number: 12581282) is an evaporative emissions control solenoid designed to regulate fuel-vapor flow from the EVAP (Evaporative Emission) canister to the engine. Function: Controls vapor flow from the canister to the ...
MSRP $67.38
$39.39
MSRP $67.38
$39.39
15
Heated Oxygen Sensor GM
GM Positions: Left
Description: ACDelco Heated Oxygen Sensor (Part Number: 12559850) is an emissions-control sensor that detects oxygen content in exhaust gases to support engine control and emissions optimization. Type: Heated oxygen (O2) sensorFunction: Measures oxygen content in exhau ...
MSRP $124.82
$68.33
MSRP $124.82
$68.33
15
Heated Oxygen Sensor GM
GM Description: All models. 4.6l. To converter. Bonneville, LeSabre. Rear. 4.6l. At converter. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$123.09
$123.09
15
Heated Oxygen Sensor GM
GM Positions: Front
Description: ACDelco Heated Oxygen Sensor (Part Number: 12569429) is an ACDelco heated O2 sensor (position 1) designed to detect oxygen content in exhaust gases to help optimize air/fuel mixture and emissions control. Function: Measures oxygen content in exhaust stream ...
MSRP $113.90
$62.35
MSRP $113.90
$62.35
16
Secondary Air Injection Pump Kit with Pump, Bracket, and Hose GM
GM Description: Aurora. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
19
MSRP $107.34
$66.99
20
Secondary Air Injection Pump Filter GM
GM Notes: PARTS: Part included with hose.
Description: Air pump, california only. California emissions. Secondary pump. 3.8L. Aztek, Rendezvous. Aurora. Cleaner. 3.4L, 2000-01.
21
Nylon Cable Tie GM
GM Notes: PARTS: Part included with hose.
Description: ACDelco Nylon Cable Tie (Part Number: 12337820) is a factory wiring harness strap intended for secure routing and retention of airbag and related wiring. Produced to meet OEM routing and retention needs. Part Category: Emission Control PartsService Type: U ...
$1.49
$1.49
22
Duct GM
GM Notes: PARTS: Part included with hose.
Description: Air pump, california only. California emissions. Secondary pump. 3.8L. Seville. 3.4L, 2000-01.
$41.80
$41.80
22
Air Injection Valve GM
GM Description: ACDelco Air Injection Valve (Part Number: 12619127) Note: Input abbreviations expanded on first mention — Secondary (SECD) and Injection (INJN).Type: Emission control valve / air injection shutoffFunction: Helps prevent exhaust gases from entering the ai ...
MSRP $568.86
$308.88
MSRP $568.86
$308.88
24
Secondary Air Injection Hose Noise Baffle GM
GM Notes: PARTS: Part included with hose.
Description: California emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.45
$13.68
MSRP $18.45
$13.68
26
Air Injection Valve GM
GM Description: Calif. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
27
Secondary Air Injection Pump Check Valve Gasket GM
GM Description: ACDelco Secondary Air Injection Pump Check Valve Gasket (Part Number: 12564682) is a gasket for the secondary air injection check valve that helps maintain correct airflow to emissions control components. Intended for emissions system repairs requiring OEM ...
MSRP $15.84
$11.08
MSRP $15.84
$11.08
29
Secondary Air Injection Pump Hose GM
GM Positions: Left
Description: ACDelco Secondary Air Injection Pump Hose (Part Number: 15783309) is an emission-system hose assembly used to route secondary air from the pump to the exhaust components. Function: Delivers secondary air for cold-start emissions control to reduce exhaust e ...
MSRP $143.37
$89.47
MSRP $143.37
$89.47
30
Multi-Purpose Relay GM
GM Description: ACDelco Multi-Purpose Relay (Part Number: 15319851) is an OEM relay used in engine compartment applications such as secondary air injection pump control, manufactured to GM specifications. Function: Controls power to emission-related components such as A.I ...
MSRP $68.34
$39.93
MSRP $68.34
$39.93
30
Acdelco™ Secondary Air Injection Pump Relay GM
GM Description: California emissions. A.I.R. pump. Engine compartment, type 4.
31
MSRP $8.31
$7.11